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3 years ago

Please help

Biology

1 answer:

Iteru [2.4K]3 years ago

5 0

Answer:

biotic is like your cat, the bugs and every living tiny bacteria, but don't get me started on viruses.

abiotic, your food processor, your wall, your hair cells are not technically part of you since you can live with-out em.

Explanation:

yes

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Devise a method for determining the molecular weight of the fragment you amplified and describe that method below. make sure to

11111nata11111 [884]

The method used here is agarose gel elecrtrophoresis in which DNA ladder is used which is a set of standard used to determine the size of DNA used .The DNA ladder is put adjacent to the DNA fragments to be visualized Suppose if the ladder shows 300 basepair so the DNA adjacent to this number will be of this size.These are the set standards used to determine the size of DNA or RNA. For a range we can take 2% of agrarose to run DNA fragments upto 500 Basepair. Most of the amplified DNA falls into this category size.

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4 years ago

The flora (plants) and fauna (animals) found on the bottom of any body of water are called what?

tresset_1 [31]

Answer:

the answer to the question is Epifauna also called epibenthos

Explanation:

any organism plant or animal that lives in the bottom of a body of water is classified as Epifauna

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3 years ago

Two balloons having the same charge of 1.2 × 10-6 coulombs each are kept 5.0 × 10-1 meters apart. What is the magnitude of the r

Pavel [41]

The answer is 5.2 × 10-2 newtons.

To calculate this, we will use Coulomb's Law:
F = $\frac{k * Q_{1} * Q_{2} }{ r^{2} }$
where F is repulcive force, k is constant, Q is charge, r is distance between charges.

If:
 $Q_{1}$ = $Q_{2}$ = 1.2 × $10^{-6}$ C²
r = 5.0 × $10^{-1}$ C²
k = 5.0 × $10^{9}$ $\frac{N*m^{2} }{ C^{2} }$

Then:
 $F = \frac{5.0* 10^{-1} \frac{N* m^{2} }{ C^{2}} * 1.2 * 10^{-6} C * 1.2 * 10^{-6} C }{(5.0* 10^{-1} m)^{2}}$
⇒ $F= \frac{9 * 1.2 * 1.2 * 10^{-3} N }{25* 10^{1} }$
⇒ $F = \frac{12.96* 10^{-2} }{25} N$
⇒ $F = 5.2 N$

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3 years ago

Freeeee Pointssssss your welcome

larisa86 [58]

Answer:

thanks lol

Explanation:

6 0

3 years ago

Read 2 more answers

True or False: Florida manatees are doing well throughout their range.

laiz [17]

Answer:

false

Explanation:

im not sure if this is the entire question but from what I can see, I would prove this false

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3 years ago